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问题 百分号％后面为何没有介词of

下面这个句子的5%后面为什么没有介词of？ The staff receive 5% commission on everything that they sell. 可以这样说吗？ The staff receive 5% of the commission on everything that they sell.

问题 如何对three days ago提问

比如下面一句，如何对其中的three days ago提问呢？The manager arrived here three days ago.下面两个答案哪个对？When did the manager arrive?How long ago did the manager arrive?

问题 被动表主动的问题

刘老师在一个答案里说 She dressed herself in a red dress at the party testerday.=She was dressed in a red dress at the party testerday.那么She  dressed in a red dress at the party testerday.可以么？如果不可以的话，是不是说如果动作的对象是自己，就必...

问题 带逻辑主语的动名词

Physically and mentally women are by far the superior to men. The old chestnut about women's being more emotional than men has been forever destroyed by the facts of two great wars.粗体部分做句子的定语吗？

问题 不定式做后置定语介词的省略

The place to stay (in) is the university guest house.这句话中为什么stay后面可以省略in? 同样，The time to shoot (at) is midnight为什么也可以省略at?

问题 中位限定词互相排斥

one painting that he did finish was that Mona Lisa,one of the world's most famous paintings.这句话中the world's most...中the和名词所有格world’s都是中位限定词，不是排斥的吗？为什么可以连用呢?

问题 非限制性定语从句的修饰范围

He arrived in the afternoon, when nobody was homewhen修饰的是in the afternoon还是the afternoon，我觉得应该是前者

问题 成分分析(过去分词作状语还是定语)？

There is a picture pinned on the wall.There is a pack of cigarettes taped to the back of the toilet tank.请教老师，类似于这两句话中的过去分词短语是作伴随状语还是定语？怎么区分辨别呀？

问题 动词和介词能一起看做谓语吗？

例如He stole a book from her和Match the words with the things in the picture我们老师说可以把stole和from这个固定结构一起看做谓语，可以把match和with这个固定结构一起看做谓语，我有些不明白，这样做不对吧？

问题 帮看下这句子吧？

 At specific issue is a confrontation from January 13 when Bush and her staff encountered Greene without a mask and talking into her phone in the tunnel between the Cannon Office Building and the Capitol.这句话中的taⅠk是不是应改成taⅠked？

问题 regarded as out of疑问

In the United States，a person would be regarded as out of his mind if he dared to challenge the authority of the dictionary.怎么理解这里的as out of结构？

问题 关于句中used的疑问

When a student attacks a professor on the  social media，the language used actually says more about the students.1. 这里为什么要放used在句中?这里的used是什么意思？2. 如果used是形容词，为什么它后面可以跟着一个副词一起修饰动词say呢?

问题 "when+分词"省略

When quoting a source, if you mention the author’s name in the introductory sentence, APA style says to follow that with the publication date in parenthesis.请问老师：When quoting a source这里还原为完整句子是什么？When you quote a source? When you are quoting a source? 但是you...

文章 虚拟语气与将来事实相反时从句谓语动词的三种形式如何选择（二）

...对话中表达对未来的假设或委婉建议。 例句： If he took the exam tomorrow, he would pass. （如果他明天参加考试，他会通过的。） →暗示他可能不会参加，但若参加则可能通过。 If I won the lottery, I would travel the world. （如果我中了...

问题 名词性从句中插入语在疑问句时要不要一起前置助动词

如：     what you think is the value of the nacklace这是一个what引导的名词性从句，"you think"是一个“主+谓”插入语。如果要将此句转化为普通疑问句，是不是：    what do you think is the value of the nackelace ?还是说普...